This is something each person must evaluate based on their own values and ideals. Detachment is a healthy coping mechanism for dealing with alcoholics (or others whose behavior causes problems in my life). It is preferable to the unhealthy coping mechanisms I learned growing up and being married to an alcoholic. (rescuing, controlling, enmeshment, etc.)
Whether you want to remain in a marriage with a 'partner' whose behavior requires you to detach is your own decision. For me, I couldn't see the point in it. Being married and detached seemed like an oxymoron to me. There are people who choose to do it, for their own reasons, and it works for them, though.
L